86889470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1997}}^1$

素因数の和:2252

約数の個数: 32

約数和(自身を含む): 165434400

約数和(自身を除く): 78544930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 229, 458, 1145, 1997, 2290, 3994, 4351, 8702, 9985, 19970, 21755, 37943, 43510, 75886, 189715, 379430, 457313, 914626, 2286565, 4573130, 8688947, 17377894, 43444735, 86889470]

約数ペア:

[(1, 86889470), (2, 43444735), (5, 17377894), (10, 8688947), (19, 4573130), (38, 2286565), (95, 914626), (190, 457313), (229, 379430), (458, 189715), (1145, 75886), (1997, 43510), (2290, 37943), (3994, 21755), (4351, 19970), (8702, 9985)]